Record total elapsed processor cycles

2 files changed, 6 insertions, 1 deletions

diff --git a/src/bedrock.rs b/src/bedrock.rs
index 19ccae6..8d03e12 100644
--- a/src/bedrock.rs
+++ b/src/bedrock.rs
@@ -6,6 +6,7 @@ pub struct Bedrock<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> {
     pub wst: Stack,
     pub rst: Stack,
     pub dev: DeviceBus<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF>,
+    pub cyc: usize,
 }
 
 impl<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> Bedrock<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> {
@@ -15,6 +16,7 @@ impl<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> Bedrock<D0,D1,D2,D3,D4,D5,
             wst: Stack::new(),
             rst: Stack::new(),
             dev: device_bus,
+            cyc: 0,
         }
     }
 }
diff --git a/src/processor.rs b/src/processor.rs
index 6c5362a..bc16f01 100644
--- a/src/processor.rs
+++ b/src/processor.rs
@@ -101,7 +101,10 @@ impl <
             };
         }
 
-        for _ in 0..cycles {
+        let end = self.cyc + cycles;
+        while self.cyc < end {
+            self.cyc += 1;
+
             match self.mem.read_u8_next() {
     /* HLT    */ 0x00 => { return Some(Signal::Halt); }
     /* JMP    */ 0x01 => { WPOPD!(a); self.mem.pc=a; }